/*
 * Copyright Thoughtworks, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.thoughtworks.go.server.newsecurity.handlers;

import com.thoughtworks.go.server.newsecurity.utils.SessionUtils;
import com.thoughtworks.go.server.service.SecurityService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
public class GenericAccessDeniedHandler implements ResponseHandler {
    private final SecurityService securityService;

    @Autowired
    public GenericAccessDeniedHandler(SecurityService securityService) {
        this.securityService = securityService;
    }

    @Override
    public void handle(HttpServletRequest request,
                       HttpServletResponse response,
                       int statusCode,
                       String errorMessage) throws IOException {
        if (SessionUtils.isAnonymousAuthenticationToken(request) && securityService.isSecurityEnabled()) {
            response.sendRedirect("/go/auth/login");
        } else {
            response.sendError(statusCode, "You are not authorized to access this resource!");
        }
    }
}
